you need to simplify the following expression

(2x^3+11x^2-4x+9)-(5x^3+x^2+7x-1)

below is step 1. fill in the blanks with the correct sign.

2x^3
11x^2
4x
9
5x^3
x^2
7x
1

Step 1: (2x^3-5x^3)+(11x^2-x^2)-(4x-7x)+(9+1)